October 2018 2 14 Report

Zad1. Rozwiąż równania.

a) x² +8x+12=0

b) x²+6x-7=0

c) x²-0,8x+0,12=0

d) (x-1) (x-2)=20

Zad2. Rozwiąż równania:

a) x³-5x²-x+5=0

b) 1/3x+2= x+3/4x+4

c) 1+ x-2/x+2 - 3/x+1=0


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